Cut-Off Grinding Wheel Abrasive Material Zirconia Alumina Connector Size 7/8 in Connector Type Unthreaded Hole Grit 24 Overall Diameter 5 in Overall Thickness 0.125 in Primary Material Applicationn Cast Iron Stainless Steel Steel Compatible Tool Type Angle Grinder Series The Ultimate Pipeline Wheel Type Type 27 Maximum Operating Speed 12 200 RPM Grade Extra Coarse